- New England2
- Newton2
- Northernmost Guavate Purchase Unit, Sierra de Cayey2
- Shelburne2
- Tennessee2
- Upper slopes of La Torrecilla, Barranquitas2
- Vicinity of Lakeland2
- Virginia2
- West Virginia2
- Windham2
- Winston2
- near Sand Pond, Marlow2
- northwest slopes of Sierra de Luquillo, above Verde2
- ¼ mile above cabin, Bohemia Basin, Yakobi Island2
- "Beartown," Droop Mountain, east of US #129 between Renick and Droop1
- (Ravenel Woods) on Route 64, 2½ miles northeast of Highlands1
- Adak Island1
- Adirondack Region, Canada Lake1
- Aleutian and Kodiak Islands, Sitkalidak Island1
- Algoma1